<template>
  <div class="article-container">
    <!-- 导航栏 -->
    <van-nav-bar
      fixed
      left-arrow
      @click-left="$router.back()"
      title="文章详情"
    ></van-nav-bar>
    <!-- /导航栏 -->

    <!-- 加载中 loading -->
    <van-loading v-if="loading" class="article-loading" />
    <!-- /加载中 loading -->

    <!-- 文章详情 -->
    <div class="detail" v-else>
      <h3 class="title">{{articleInfo.title}}</h3>
      <div class="author">
        <van-image :src="articleInfo.aut_photo" round width="1rem" height="1rem" fit="fill" />
        <div class="text">
          <p class="name">{{articleInfo.aut_name}}</p>
          <p class="time">{{articleInfo.pubdate | relative}}</p>
        </div>
        <van-button
          round
          size="small"
          type="info"
          v-if="articleInfo.is_followed"
          @click="setFocus"
        >+ 关注</van-button>
        <van-button
          round
          size="small"
          type="primary"
          v-else
          @click="delFocus"
        >已关注</van-button>
      </div>
      <div class="content" v-html="articleInfo.content">
      </div>
      <van-divider>END</van-divider>
      <div class="zan">
        <van-button
        @click="toggleLike"
         round size="small" hairline type="primary" plain :icon="articleInfo.attitude === 1 ? 'good-job' : 'good-job-o'">{{articleInfo.attitude===1?'取消点赞':'点赞'}}</van-button>
        &nbsp;&nbsp;&nbsp;&nbsp;
        <van-button @click="toggleDislike" round size="small" hairline type="danger" plain icon="delete">
        {{ articleInfo.attitude === 0 ? '取消不喜欢' : '不喜欢'}}
      </van-button>
      </div>
      <!-- 文章评论 -->
        <div>
          <ArticleComment :articleId="articleInfo.art_id"></ArticleComment>
        </div>
    <!-- 文章评论 -->
    </div>
    <!-- 文章详情 -->

  </div>
</template>

<script>
// push时传对象, params (写name传递) 就通过 this.$route.params获取
// push时传对象, query  (写path)     就通过 this.$route.query 获取
// 动态路由传参  /article/:id        this.$route.params 获取
import { reqGetArticleInfo, reqSetLike, reqDelLike, reqDislike, reqCancelDislike } from '@/api/article'
import { reqSetFocus, reqDelFocus } from '@/api/user'
import ArticleComment from './comment.vue'
export default {
  name: 'ArticleIndex',
  components: {
    ArticleComment
  },
  data () {
    return {
      loading: true, // 控制加载中的 loading 状态
      articleInfo: { }
    }
  },
  created () {
    this.getArticleInfo()
  },
  methods: {
    async getArticleInfo () {
      const { data } = await reqGetArticleInfo(this.$route.query.id)
      this.articleInfo = data.data
      console.log(this.articleInfo)
      this.loading = false
    },
    async setFocus () {
      await reqSetFocus(this.articleInfo.aut_id)
      this.articleInfo.is_followed = !this.articleInfo.is_followed
      this.$toast.success('关注成功')
      // this.getArticleInfo()
    },
    async delFocus () {
      await reqDelFocus(this.articleInfo.aut_id)
      this.articleInfo.is_followed = !this.articleInfo.is_followed
      this.$toast.success('取消关注')
      // this.getArticleInfo()
    },
    // 切换点赞
    async toggleLike () {
      if (this.articleInfo.attitude === 1) {
        await reqDelLike(this.articleInfo.art_id.toString())
        this.articleInfo.attitude = -1
      } else {
        await reqSetLike(this.articleInfo.art_id.toString())
        this.articleInfo.attitude = 1
      }
      this.$toast.success('操作成功')
    },
    // 切换喜欢
    async toggleDislike () {
      if (this.articleInfo.attitude === 0) {
        await reqCancelDislike(this.articleInfo.art_id.toString())
        this.articleInfo.attitude = -1
      } else {
        await reqDislike(this.articleInfo.art_id.toString())
        this.articleInfo.attitude = 0
      }
      this.$toast.success('操作成功')
    }
  }
}
</script>

<style lang='scss' scoped>
.article-container{
  position: absolute;
  left: 0;
  top: 0;
  overflow-y: scroll;
  width: 100%;
  height: 100%;
}
.article-loading {
  padding-top: 100px;
  text-align: center;
}
.error{
  padding-top: 100px;
  text-align: center;
}
.detail {
  padding: 50px 10px;
  .title {
    font-size: 16px;
  }
  .zan{
    text-align: center;
  }
  .author {
    padding: 10px 0;
    display: flex;
    .text {
      flex: 1;
      padding-left: 10px;
      line-height: 1.3;
      .name {
        font-size: 14px;
        margin: 0;
      }
      .time {
        margin: 0;
        font-size: 12px;
        color: #999;
      }
    }
  }
  .content {
    font-size:14px;
    overflow: hidden;
    white-space: pre-wrap;
    word-break: break-all;
    ::v-deep img{
      max-width:100%;
      background: #f9f9f9;
    }
  }
}
</style>
